Mercurial > fife-parpg

annotate engine/core/video/opengl/glimage.cpp @ 631:f3457443c95f

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
* Added drawRectangle() and fillRectangle() functions to the renderers * Modified FIFE::FloatingTextRenderer to use the new functions * Updated some data types in FIFE::FloatingTextRenderer to use integer types defined in fife_stdint.h
author prock@33b003aa-7bff-0310-803a-e67f0ece8222
date Tue, 05 Oct 2010 15:44:16 +0000
parents 79257869a6e9
children 5d6b1820b953
rev   line source
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
1 /***************************************************************************
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
2 * Copyright (C) 2005-2008 by the FIFE team *
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
3 * http://www.fifengine.de *
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
4 * This file is part of FIFE. *
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
5 * *
46
90005975cdbb * Final LGPL switch step by adjusting the file headers
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 0
diff changeset
6 * FIFE is free software; you can redistribute it and/or *
90005975cdbb * Final LGPL switch step by adjusting the file headers
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 0
diff changeset
7 * modify it under the terms of the GNU Lesser General Public *
90005975cdbb * Final LGPL switch step by adjusting the file headers
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 0
diff changeset
8 * License as published by the Free Software Foundation; either *
90005975cdbb * Final LGPL switch step by adjusting the file headers
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 0
diff changeset
9 * version 2.1 of the License, or (at your option) any later version. *
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
10 * *
46
90005975cdbb * Final LGPL switch step by adjusting the file headers
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 0
diff changeset
11 * This library is distributed in the hope that it will be useful, *
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
46
90005975cdbb * Final LGPL switch step by adjusting the file headers
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 0
diff changeset
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
90005975cdbb * Final LGPL switch step by adjusting the file headers
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 0
diff changeset
14 * Lesser General Public License for more details. *
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
15 * *
46
90005975cdbb * Final LGPL switch step by adjusting the file headers
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 0
diff changeset
16 * You should have received a copy of the GNU Lesser General Public *
90005975cdbb * Final LGPL switch step by adjusting the file headers
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 0
diff changeset
17 * License along with this library; if not, write to the *
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
18 * Free Software Foundation, Inc., *
46
90005975cdbb * Final LGPL switch step by adjusting the file headers
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 0
diff changeset
19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
20 ***************************************************************************/
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
21
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
22 // Standard C++ library includes
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
23 #include <cassert>
620
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
24 #include <iostream>
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
25 // 3rd party library includes
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
26
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
27 // FIFE includes
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
28 // These includes are split up in two parts, separated by one empty line
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
29 // First block: files included from the FIFE root src directory
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
30 // Second block: files included from the same folder
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
31 #include "util/structures/rect.h"
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
32 #include "video/sdl/sdlimage.h"
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
33 #include "video/renderbackend.h"
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
34
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
35 #include "glimage.h"
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
36
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
37 namespace FIFE {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
38 GLImage::GLImage(SDL_Surface* surface):
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
39 Image(surface) {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
40 m_sdlimage = new SDLImage(surface);
620
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
41
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
42 m_textureids = NULL;
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
43
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
44 resetGlimage();
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
45 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
46
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
47 GLImage::GLImage(const uint8_t* data, unsigned int width, unsigned int height):
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
48 Image(data, width, height) {
627
79257869a6e9 * GLImage now uses the optimal next power of 2 size for both width and height.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 625
diff changeset
49 assert(m_surface);
79257869a6e9 * GLImage now uses the optimal next power of 2 size for both width and height.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 625
diff changeset
50 m_sdlimage = new SDLImage(m_surface);
620
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
51
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
52 m_textureids = NULL;
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
53
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
54 resetGlimage();
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
55 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
56
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
57 GLImage::~GLImage() {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
58 // remove surface so that deletion happens correctly (by base class destructor)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
59 m_sdlimage->detachSurface();
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
60 delete m_sdlimage;
620
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
61
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
62 cleanup();
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
63 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
64
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
65 void GLImage::resetGlimage() {
620
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
66 cleanup();
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
67
627
79257869a6e9 * GLImage now uses the optimal next power of 2 size for both width and height.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 625
diff changeset
68 m_chunk_size_w = 0;
79257869a6e9 * GLImage now uses the optimal next power of 2 size for both width and height.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 625
diff changeset
69 m_chunk_size_h = 0;
79257869a6e9 * GLImage now uses the optimal next power of 2 size for both width and height.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 625
diff changeset
70
425
ad7969d9460b A client can now specify a global color key to be used with all images. The default color key is (255,0,255) in RGB format. Also the client can enable/disable the color key feature by using the setColorKeyEnabled function in the EngineSettings class. By default the color key feature is disabled. fixes[t:451]
vtchill@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 263
diff changeset
71 m_colorkey = RenderBackend::instance()->getColorKey();
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
72 }
430
ad1f09d954f9 Added the ability to render a vertex on the screen. The vertex is represented by a small square. fixes[t:455]
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 425
diff changeset
73
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
74 void GLImage::cleanup() {
620
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
75 if (m_textureids) {
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
76 glDeleteTextures(1, &m_textureids[0]);
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
77
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
78 delete[] m_textureids;
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
79 m_textureids = NULL;
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
80 }
620
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
81
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
82 m_col_tex_coord = 0;
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
83 m_row_tex_coord = 0;
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
84 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
85
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
86 void GLImage::render(const Rect& rect, SDL_Surface* screen, unsigned char alpha) {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
87 if (!m_textureids) {
620
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
88 generateGLTexture();
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
89 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
90
620
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
91 //not on the screen. dont render
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
92 if (rect.right() < 0 || rect.x > static_cast<int>(screen->w) || rect.bottom() < 0 || rect.y > static_cast<int>(screen->h)) {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
93 return;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
94 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
95
620
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
96 //completely transparent so dont bother rendering
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
97 if (0 == alpha) {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
98 return;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
99 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
100
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
101 // the amount of "zooming" for the image
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
102 float scale_x = static_cast<float>(rect.w) / static_cast<float>(m_surface->w);
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
103 float scale_y = static_cast<float>(rect.h) / static_cast<float>(m_surface->h);
430
ad1f09d954f9 Added the ability to render a vertex on the screen. The vertex is represented by a small square. fixes[t:455]
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 425
diff changeset
104
620
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
105 // apply the scale to the width and height of the image
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
106 uint16_t w = static_cast<int>(round(scale_x*m_surface->w));
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
107 uint16_t h = static_cast<int>(round(scale_y*m_surface->h));
430
ad1f09d954f9 Added the ability to render a vertex on the screen. The vertex is represented by a small square. fixes[t:455]
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 425
diff changeset
108
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
109 /// setting transparency for the whole primitive:
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
110 glColor4ub( 255, 255, 255, alpha );
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
111
625
92290efadab7 * This fixes a small bug that causes some primitives to not be rendered by the OpenGL renderbackend
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 620
diff changeset
112 glEnable(GL_TEXTURE_2D);
620
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
113 glBindTexture(GL_TEXTURE_2D, m_textureids[0]);
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
114
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
115 glBegin(GL_QUADS);
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
116 glTexCoord2f(0.0f, 0.0f);
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
117 glVertex2i(rect.x, rect.y);
430
ad1f09d954f9 Added the ability to render a vertex on the screen. The vertex is represented by a small square. fixes[t:455]
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 425
diff changeset
118
620
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
119 glTexCoord2f(0.0f, m_row_tex_coord);
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
120 glVertex2i(rect.x, rect.y + h);
430
ad1f09d954f9 Added the ability to render a vertex on the screen. The vertex is represented by a small square. fixes[t:455]
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 425
diff changeset
121
620
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
122 glTexCoord2f(m_col_tex_coord, m_row_tex_coord);
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
123 glVertex2i(rect.x + w, rect.y + h);
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
124
620
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
125 glTexCoord2f(m_col_tex_coord, 0.0f);
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
126 glVertex2i(rect.x + w, rect.y);
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
127 glEnd();
625
92290efadab7 * This fixes a small bug that causes some primitives to not be rendered by the OpenGL renderbackend
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 620
diff changeset
128 glDisable(GL_TEXTURE_2D);
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
129
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
130 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
131
620
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
132 void GLImage::generateGLTexture() {
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
133 const unsigned int width = m_surface->w;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
134 const unsigned int height = m_surface->h;
620
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
135
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
136 //calculate the nearest larger power of 2
627
79257869a6e9 * GLImage now uses the optimal next power of 2 size for both width and height.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 625
diff changeset
137 m_chunk_size_w = nextPow2(width);
79257869a6e9 * GLImage now uses the optimal next power of 2 size for both width and height.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 625
diff changeset
138 m_chunk_size_h = nextPow2(height);
620
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
139
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
140 // used to calculate the fill ratio for given chunk
627
79257869a6e9 * GLImage now uses the optimal next power of 2 size for both width and height.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 625
diff changeset
141 m_col_tex_coord = static_cast<float>(m_surface->w%m_chunk_size_w) / static_cast<float>(m_chunk_size_w);
79257869a6e9 * GLImage now uses the optimal next power of 2 size for both width and height.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 625
diff changeset
142 m_row_tex_coord = static_cast<float>(m_surface->h%m_chunk_size_h) / static_cast<float>(m_chunk_size_h);
620
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
143
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
144 if (m_col_tex_coord == 0.0f){
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
145 m_col_tex_coord = 1.0f;
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
146 }
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
147
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
148 if (m_row_tex_coord == 0.0f){
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
149 m_row_tex_coord = 1.0f;
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
150 }
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
151
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
152 uint8_t* data = static_cast<uint8_t*>(m_surface->pixels);
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
153 int pitch = m_surface->pitch;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
154
620
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
155
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
156 assert(!m_textureids);
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
157
620
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
158 m_textureids = new GLuint[1];
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
159 memset(m_textureids, 0x00, 1*sizeof(GLuint));
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
160
263
10e0687a4cec Fixed a bug in the OpenGl renderer where the last chunk of images would not be displayed when image_height % chunk_size was 0.
cheesesucker@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 46
diff changeset
161
627
79257869a6e9 * GLImage now uses the optimal next power of 2 size for both width and height.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 625
diff changeset
162 uint32_t* oglbuffer = new uint32_t[m_chunk_size_w * m_chunk_size_h];
79257869a6e9 * GLImage now uses the optimal next power of 2 size for both width and height.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 625
diff changeset
163 memset(oglbuffer, 0x00, m_chunk_size_w*m_chunk_size_h*sizeof(uint32_t));
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
164
620
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
165 for (unsigned int y = 0; y < height; ++y) {
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
166 for (unsigned int x = 0; x < width; ++x) {
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
167 unsigned int pos = (y * pitch) + (x * 4);
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
168
620
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
169 uint8_t r = data[pos + 3];
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
170 uint8_t g = data[pos + 2];
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
171 uint8_t b = data[pos + 1];
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
172 uint8_t a = data[pos + 0];
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
173
620
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
174 if (RenderBackend::instance()->isColorKeyEnabled()) {
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
175 // only set alpha to zero if colorkey feature is enabled
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
176 if (r == m_colorkey.r && g == m_colorkey.g && b == m_colorkey.b) {
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
177 a = 0;
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
178 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
179 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
180
627
79257869a6e9 * GLImage now uses the optimal next power of 2 size for both width and height.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 625
diff changeset
181 oglbuffer[(y*m_chunk_size_w) + x] = r | (g << 8) | (b << 16) | (a<<24);
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
182 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
183 }
620
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
184
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
185 // get texture id from opengl
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
186 glGenTextures(1, &m_textureids[0]);
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
187 // set focus on that texture
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
188 glBindTexture(GL_TEXTURE_2D, m_textureids[0]);
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
189 // set filters for texture
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
190 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
191 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
192 // transfer data from sdl buffer
627
79257869a6e9 * GLImage now uses the optimal next power of 2 size for both width and height.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 625
diff changeset
193 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, m_chunk_size_w, m_chunk_size_h, 0, GL_RGBA, GL_UNSIGNED_BYTE, static_cast<GLvoid*>(oglbuffer));
620
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
194
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
195 delete[] oglbuffer;
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
196 }
430
ad1f09d954f9 Added the ability to render a vertex on the screen. The vertex is represented by a small square. fixes[t:455]
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 425
diff changeset
197
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
198 void GLImage::saveImage(const std::string& filename) {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
199 const unsigned int swidth = getWidth();
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
200 const unsigned int sheight = getHeight();
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
201 SDL_Surface *surface = NULL;
430
ad1f09d954f9 Added the ability to render a vertex on the screen. The vertex is represented by a small square. fixes[t:455]
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 425
diff changeset
202 uint8_t *pixels;
ad1f09d954f9 Added the ability to render a vertex on the screen. The vertex is represented by a small square. fixes[t:455]
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 425
diff changeset
203
ad1f09d954f9 Added the ability to render a vertex on the screen. The vertex is represented by a small square. fixes[t:455]
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 425
diff changeset
204 surface = SDL_CreateRGBSurface(SDL_SWSURFACE, swidth,
ad1f09d954f9 Added the ability to render a vertex on the screen. The vertex is represented by a small square. fixes[t:455]
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 425
diff changeset
205 sheight, 24,
620
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
206 RMASK,GMASK,BMASK, NULLMASK);
430
ad1f09d954f9 Added the ability to render a vertex on the screen. The vertex is represented by a small square. fixes[t:455]
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 425
diff changeset
207
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
208 if(surface == NULL) {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
209 return;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
210 }
430
ad1f09d954f9 Added the ability to render a vertex on the screen. The vertex is represented by a small square. fixes[t:455]
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 425
diff changeset
211
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
212 SDL_LockSurface(surface);
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
213 pixels = new uint8_t[swidth * sheight * 3];
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
214 glReadPixels(0, 0, swidth, sheight, GL_RGB, GL_UNSIGNED_BYTE, reinterpret_cast<GLvoid*>(pixels));
430
ad1f09d954f9 Added the ability to render a vertex on the screen. The vertex is represented by a small square. fixes[t:455]
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 425
diff changeset
215
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
216 uint8_t *imagepixels = reinterpret_cast<uint8_t*>(surface->pixels);
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
217 // Copy the "reversed_image" memory to the "image" memory
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
218 for (int y = (sheight - 1); y >= 0; --y) {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
219 uint8_t *rowbegin = pixels + y * swidth * 3;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
220 uint8_t *rowend = rowbegin + swidth * 3;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
221
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
222 std::copy(rowbegin, rowend, imagepixels);
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
223
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
224 // Advance a row in the output surface.
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
225 imagepixels += surface->pitch;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
226 }
430
ad1f09d954f9 Added the ability to render a vertex on the screen. The vertex is represented by a small square. fixes[t:455]
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 425
diff changeset
227
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
228 SDL_UnlockSurface(surface);
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
229 saveAsPng(filename, *surface);
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
230 SDL_FreeSurface(surface);
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
231 delete [] pixels;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
232 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
233
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
234 void GLImage::setClipArea(const Rect& cliparea, bool clear) {
620
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
235 glScissor(cliparea.x, getHeight() - cliparea.y - cliparea.h, cliparea.w, cliparea.h);
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 603
diff changeset
236
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
237 if (clear) {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
238 glClear(GL_COLOR_BUFFER_BIT);
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
239 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
240 }
430
ad1f09d954f9 Added the ability to render a vertex on the screen. The vertex is represented by a small square. fixes[t:455]
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 425
diff changeset
241
583
47b49b9b0c0a * Improved the floatingtextrenderer. Now you can set an alpha value for font, background quad and border. Splited quad and border into own commands.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 430
diff changeset
242 bool GLImage::putPixel(int x, int y, int r, int g, int b, int a) {
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
243 cleanup();
583
47b49b9b0c0a * Improved the floatingtextrenderer. Now you can set an alpha value for font, background quad and border. Splited quad and border into own commands.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 430
diff changeset
244 return m_sdlimage->putPixel(x, y, r, g, b, a);
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
245 }
430
ad1f09d954f9 Added the ability to render a vertex on the screen. The vertex is represented by a small square. fixes[t:455]
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 425
diff changeset
246
583
47b49b9b0c0a * Improved the floatingtextrenderer. Now you can set an alpha value for font, background quad and border. Splited quad and border into own commands.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 430
diff changeset
247 void GLImage::drawLine(const Point& p1, const Point& p2, int r, int g, int b, int a) {
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
248 cleanup();
583
47b49b9b0c0a * Improved the floatingtextrenderer. Now you can set an alpha value for font, background quad and border. Splited quad and border into own commands.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 430
diff changeset
249 m_sdlimage->drawLine(p1, p2, r, g, b, a);
430
ad1f09d954f9 Added the ability to render a vertex on the screen. The vertex is represented by a small square. fixes[t:455]
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 425
diff changeset
250 }
ad1f09d954f9 Added the ability to render a vertex on the screen. The vertex is represented by a small square. fixes[t:455]
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 425
diff changeset
251
583
47b49b9b0c0a * Improved the floatingtextrenderer. Now you can set an alpha value for font, background quad and border. Splited quad and border into own commands.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 430
diff changeset
252 void GLImage::drawTriangle(const Point& p1, const Point& p2, const Point& p3, int r, int g, int b, int a) {
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
253 cleanup();
583
47b49b9b0c0a * Improved the floatingtextrenderer. Now you can set an alpha value for font, background quad and border. Splited quad and border into own commands.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 430
diff changeset
254 m_sdlimage->drawTriangle(p1, p2, p3, r, g, b, a);
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
255 }
430
ad1f09d954f9 Added the ability to render a vertex on the screen. The vertex is represented by a small square. fixes[t:455]
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 425
diff changeset
256
631
f3457443c95f * Added drawRectangle() and fillRectangle() functions to the renderers
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 627
diff changeset
257 void GLImage::drawRectangle(const Point& p, uint16_t w, uint16_t h, uint8_t r, uint8_t g, uint8_t b, uint8_t a) {
f3457443c95f * Added drawRectangle() and fillRectangle() functions to the renderers
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 627
diff changeset
258 cleanup();
f3457443c95f * Added drawRectangle() and fillRectangle() functions to the renderers
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 627
diff changeset
259 m_sdlimage->drawRectangle(p, w, h, r, g, b, a);
f3457443c95f * Added drawRectangle() and fillRectangle() functions to the renderers
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 627
diff changeset
260 }
f3457443c95f * Added drawRectangle() and fillRectangle() functions to the renderers
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 627
diff changeset
261
f3457443c95f * Added drawRectangle() and fillRectangle() functions to the renderers
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 627
diff changeset
262 void GLImage::fillRectangle(const Point& p, uint16_t w, uint16_t h, uint8_t r, uint8_t g, uint8_t b, uint8_t a) {
f3457443c95f * Added drawRectangle() and fillRectangle() functions to the renderers
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 627
diff changeset
263 cleanup();
f3457443c95f * Added drawRectangle() and fillRectangle() functions to the renderers
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 627
diff changeset
264 m_sdlimage->fillRectangle(p, w, h, r, g, b, a);
f3457443c95f * Added drawRectangle() and fillRectangle() functions to the renderers
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 627
diff changeset
265 }
f3457443c95f * Added drawRectangle() and fillRectangle() functions to the renderers
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 627
diff changeset
266
583
47b49b9b0c0a * Improved the floatingtextrenderer. Now you can set an alpha value for font, background quad and border. Splited quad and border into own commands.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 430
diff changeset
267 void GLImage::drawQuad(const Point& p1, const Point& p2, const Point& p3, const Point& p4, int r, int g, int b, int a) {
430
ad1f09d954f9 Added the ability to render a vertex on the screen. The vertex is represented by a small square. fixes[t:455]
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 425
diff changeset
268 cleanup();
583
47b49b9b0c0a * Improved the floatingtextrenderer. Now you can set an alpha value for font, background quad and border. Splited quad and border into own commands.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 430
diff changeset
269 m_sdlimage->drawQuad(p1, p2, p3, p4, r, g, b, a);
47b49b9b0c0a * Improved the floatingtextrenderer. Now you can set an alpha value for font, background quad and border. Splited quad and border into own commands.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 430
diff changeset
270 }
47b49b9b0c0a * Improved the floatingtextrenderer. Now you can set an alpha value for font, background quad and border. Splited quad and border into own commands.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 430
diff changeset
271
47b49b9b0c0a * Improved the floatingtextrenderer. Now you can set an alpha value for font, background quad and border. Splited quad and border into own commands.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 430
diff changeset
272 void GLImage::drawVertex(const Point& p, const uint8_t size, int r, int g, int b, int a) {
47b49b9b0c0a * Improved the floatingtextrenderer. Now you can set an alpha value for font, background quad and border. Splited quad and border into own commands.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 430
diff changeset
273 cleanup();
47b49b9b0c0a * Improved the floatingtextrenderer. Now you can set an alpha value for font, background quad and border. Splited quad and border into own commands.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 430
diff changeset
274 m_sdlimage->drawVertex(p, size, r, g, b, a);
430
ad1f09d954f9 Added the ability to render a vertex on the screen. The vertex is represented by a small square. fixes[t:455]
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 425
diff changeset
275 }
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
276 }