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Added 8bit image upload code.

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This commit is contained in:
Justin Marshall
2020-06-17 17:08:45 -07:00
parent ad91794bb2
commit df88871b13
2 changed files with 46 additions and 1 deletions
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code/REDALERT/Image.h
+2 -1
View File
@@ -23,4 +23,5 @@ __forceinline Image_t::~Image_t() {
}
}
Image_t* Image_LoadImage(const char* name);
Image_t* Image_LoadImage(const char* name);
Image_t* Image_CreateImageFrom8Bit(const char* name, int Width, int Height, char* data);
code/REDALERT/WINSTUB.CPP
+44
View File
@@ -144,6 +144,50 @@ Image_t* Image_LoadImage(const char* name) {
return image;
}
Image_t* Image_CreateImageFrom8Bit(const char* name, int Width, int Height, char *data) {
// Check to see if the image is already loaded.
for (int i = 0; i < loaded_images.size(); i++) {
if (!strcmp(loaded_images[i]->name, name)) {
return loaded_images[i];
}
}
Image_t* image = new Image_t();
image->buffer = new unsigned char[Width * Height * 4];
for (int i = 0; i < Width * Height; i++) {
char c = data[i];
image->buffer[(i * 4) + 0] = backbuffer_palette[(c * 3) + 0];
image->buffer[(i * 4) + 1] = backbuffer_palette[(c * 3) + 1];
image->buffer[(i * 4) + 2] = backbuffer_palette[(c * 3) + 2];
if (c == 0) {
image->buffer[(i * 4) + 3] = 0;
}
else {
image->buffer[(i * 4) + 3] = 255;
}
}
GLuint texture;
glGenTextures(1, &texture);
glBindTexture(GL_TEXTURE_2D, texture);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, Width, Height, 0, GL_RGBA, GL_UNSIGNED_BYTE, image->buffer);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
strcpy(image->name, name);
image->image = texture;
image->width = Width;
image->height = Height;
loaded_images.push_back(image);
return image;
}
BOOL Set_Video_Mode(HWND hwnd, int w, int h, int bits_per_pixel) {
// Todo implement resoluton scaling.
return true; // Always return true;