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comparison src/video/SDL_video.c @ 2927:2133d2d300fd

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SetDrawColor() and SetDrawBlendMode() are optional
author Sam Lantinga <slouken@libsdl.org>
date Tue, 30 Dec 2008 07:14:11 +0000
parents bd518fc76f28
children e171ce9bdbad
comparison
equal deleted inserted replaced
2926:27f2b5e7e899 2927:2133d2d300fd
1985 } 1985 }
1986 renderer = SDL_CurrentDisplay.current_renderer; 1986 renderer = SDL_CurrentDisplay.current_renderer;
1987 if (!renderer) { 1987 if (!renderer) {
1988 return -1; 1988 return -1;
1989 } 1989 }
1990 if (!renderer->SetDrawColor) {
1991 SDL_Unsupported();
1992 return -1;
1993 }
1994 renderer->r = r; 1990 renderer->r = r;
1995 renderer->g = g; 1991 renderer->g = g;
1996 renderer->b = b; 1992 renderer->b = b;
1997 renderer->a = a; 1993 renderer->a = a;
1998 renderer->SetDrawColor(renderer); 1994 if (renderer->SetDrawColor) {
1999 return 0; 1995 return renderer->SetDrawColor(renderer);
1996 } else {
1997 return 0;
1998 }
2000 } 1999 }
2001 2000
2002 int 2001 int
2003 SDL_GetRenderDrawColor(Uint8 * r, Uint8 * g, Uint8 * b, Uint8 * a) 2002 SDL_GetRenderDrawColor(Uint8 * r, Uint8 * g, Uint8 * b, Uint8 * a)
2004 { 2003 {
2010 } 2009 }
2011 renderer = SDL_CurrentDisplay.current_renderer; 2010 renderer = SDL_CurrentDisplay.current_renderer;
2012 if (!renderer) { 2011 if (!renderer) {
2013 return -1; 2012 return -1;
2014 } 2013 }
2015 if (!renderer->SetDrawColor) {
2016 SDL_Unsupported();
2017 return -1;
2018 }
2019 if (r) { 2014 if (r) {
2020 *r = renderer->r; 2015 *r = renderer->r;
2021 } 2016 }
2022 if (g) { 2017 if (g) {
2023 *g = renderer->g; 2018 *g = renderer->g;
2026 *b = renderer->b; 2021 *b = renderer->b;
2027 } 2022 }
2028 if (a) { 2023 if (a) {
2029 *a = renderer->a; 2024 *a = renderer->a;
2030 } 2025 }
2031 return 0;
2032 } 2026 }
2033 2027
2034 int 2028 int
2035 SDL_SetRenderDrawBlendMode(int blendMode) 2029 SDL_SetRenderDrawBlendMode(int blendMode)
2036 { 2030 {
2042 } 2036 }
2043 renderer = SDL_CurrentDisplay.current_renderer; 2037 renderer = SDL_CurrentDisplay.current_renderer;
2044 if (!renderer) { 2038 if (!renderer) {
2045 return -1; 2039 return -1;
2046 } 2040 }
2047 if (!renderer->SetDrawBlendMode) {
2048 SDL_Unsupported();
2049 return -1;
2050 }
2051 renderer->blendMode = blendMode; 2041 renderer->blendMode = blendMode;
2052 renderer->SetDrawBlendMode(renderer); 2042 if (renderer->SetDrawBlendMode) {
2053 return 0; 2043 return renderer->SetDrawBlendMode(renderer);
2044 } else {
2045 return 0;
2046 }
2054 } 2047 }
2055 2048
2056 int 2049 int
2057 SDL_GetRenderDrawBlendMode(int *blendMode) 2050 SDL_GetRenderDrawBlendMode(int *blendMode)
2058 { 2051 {