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annotate EXCLUDE/GLTSF/src/Video_Mode.cpp @ 4740:abf528de6d2e

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Added condition check macros to make the code clear and easier to debug. Updated code to use macros.
author dewyatt
date Sun, 27 Jun 2010 22:03:08 -0400
parents 6032ada8b9e5
children
rev   line source
4730
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1 #include "Video_Mode.hpp"
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2 #include <vector>
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3 #include <algorithm>
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4 #define WIN32_LEAN_AND_MEAN
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5 #include <Windows.h>
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6
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7 namespace
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8 {
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9
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10 typedef std::vector<Video_Mode> Video_Mode_List;
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11 Video_Mode_List Supported_Modes;
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12
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13 struct Compare_Modes
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14 {
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15 bool operator()(const Video_Mode &Mode_1, const Video_Mode &Mode_2) const
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16 {
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17 if (Mode_1.Bits_Per_Pixel > Mode_2.Bits_Per_Pixel)
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18 return true;
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19 else if (Mode_1.Bits_Per_Pixel < Mode_2.Bits_Per_Pixel)
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20 return false;
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21 else if (Mode_1.Width > Mode_2.Width)
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22 return true;
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23 else if (Mode_1.Width < Mode_2.Width)
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24 return false;
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25 else
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26 return Mode_1.Height > Mode_2.Height;
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27 }
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28 };
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29
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30 }
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31
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32 Video_Mode::Video_Mode() : Width(0),
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33 Height(0),
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34 Bits_Per_Pixel(0)
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35 {
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36
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37 }
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38
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39 Video_Mode::Video_Mode(unsigned int The_Width, unsigned int The_Height, unsigned int The_Bits_Per_Pixel)
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40 : Width(The_Width),
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41 Height(The_Height),
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42 Bits_Per_Pixel(The_Bits_Per_Pixel)
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43 {
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44
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45 }
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46
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47 Video_Mode Video_Mode::Get_Desktop_Mode()
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48 {
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49 DEVMODE Device_Mode = {0};
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50 Device_Mode.dmSize = sizeof(Device_Mode);
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51 EnumDisplaySettings(NULL, ENUM_CURRENT_SETTINGS, &Device_Mode);
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52 return Video_Mode(Device_Mode.dmPelsWidth, Device_Mode.dmPelsHeight, Device_Mode.dmBitsPerPel);
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53 }
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54
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55 std::size_t Video_Mode::Get_Mode_Count()
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56 {
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57 Initialize_Modes();
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58 return Supported_Modes.size();
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59 }
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60
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61 Video_Mode Video_Mode::Get_Mode(std::size_t Index)
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62 {
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63 Initialize_Modes();
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64 return Supported_Modes[Index];
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65 }
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66
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67 bool Video_Mode::Is_Valid() const
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68 {
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69 Initialize_Modes();
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70 return Supported_Modes.end() != std::find(Supported_Modes.begin(), Supported_Modes.end(), *this);
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71 }
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72
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73 bool Video_Mode::operator==(const Video_Mode &Mode) const
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74 {
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75 return (Width == Mode.Width
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76 && Height == Mode.Height
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77 && Bits_Per_Pixel == Mode.Bits_Per_Pixel);
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78 }
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79
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80 bool Video_Mode::operator!=(const Video_Mode &Mode) const
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81 {
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82 return !(*this == Mode);
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83 }
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84
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85 void Video_Mode::Initialize_Modes()
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86 {
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87 static bool Initialized = false;
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88 if (!Initialized)
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89 {
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90 DEVMODE Device_Mode = {0};
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91 Device_Mode.dmSize = sizeof(Device_Mode);
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92 for (std::size_t i = 0; 0 != EnumDisplaySettings(NULL, i, &Device_Mode); ++i)
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93 {
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94 Video_Mode Mode(Device_Mode.dmPelsWidth, Device_Mode.dmPelsHeight, Device_Mode.dmBitsPerPel);
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95 if (Supported_Modes.end() == std::find(Supported_Modes.begin(), Supported_Modes.end(), Mode))
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96 Supported_Modes.push_back(Mode);
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97 }
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98 std::sort(Supported_Modes.begin(), Supported_Modes.end(), Compare_Modes());
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99 }
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100 }