LRESULT CALLBACK WndProc(
HWND hwnd,
UINT msg,
WPARAM wParam,
LPARAM lParam)
{
switch ( msg ) {
case WM_CREATE:
{
MakeSurface( hwnd );
}
break;
case WM_PAINT:
{
PAINTSTRUCT ps;
HDC hdc = BeginPaint( hwnd, &ps );
// Draw pixels to window when window needs repainting
BitBlt( hdc, 0, 0, mW, mH, hdcMem, 0, 0, SRCCOPY );
EndPaint( hwnd, &ps );
}
break;
case WM_CLOSE:
{
DestroyWindow( hwnd );
}
break;
case WM_DESTROY:
{
TerminateThread( hTickThread, 0 );
PostQuitMessage( 0 );
}
break;
default:
return DefWindowProc( hwnd, msg, wParam, lParam );
}
return 0;
}
char LoadFont(const char *file) {
char fullPath[strlen(DATA_PATH) + strlen(FONT_PATH) + strlen(file) + 1];
sprintf(fullPath, "%s%s%s", DATA_PATH, FONT_PATH, file);
#ifdef DEBUG
printf("Font path = %s\n", fullPath);
#endif
// The surface holding the big long list of characters
SDL_Surface *fontSurf = FillSurface(fullPath, 0);
if (fontSurf == NULL) {
return 1;
}
// For holding the rgb values for pre-rendering differently-colored
// letters
SDL_Color palette[256];
uint r, g, b;
// For finding the left and right side of each character (to determine
// width)
int leftSide;
int rightSide;
uint i = 0;
uint transColor = SDL_MapRGB(fontSurf->format, 0xff, 0x00, 0xff);
int sourceOffset = 0;
for (int y = 0; y < fontSurf->h; y += FONT_H) {
// Lock the surface (for subsequent GetPixel calls)
SDL_LockSurface(fontSurf);
/*** Determine the letter's width ***/
// Find left side
leftSide = -1;
for (int x2 = 0; x2 < FONT_W; x2++) {
for (int y2 = y; y2 < y + FONT_H; y2++) {
if (GetPixel(fontSurf, x2, y2) != transColor) {
leftSide = x2;
break;
}
}
if (leftSide != -1) break;
}
// Find right side
rightSide = -1;
for (int x2 = FONT_W - 1; x2 > 0; x2--) {
for (int y2 = y; y2 < y + FONT_H; y2++) {
if (GetPixel(fontSurf, x2, y2) != transColor) {
rightSide = x2;
break;
}
}
if (rightSide != -1) break;
}
font[i].w = (rightSide - leftSide) + 1;
SDL_UnlockSurface(fontSurf);
// Blit this character and pre-render different color versions
// of it
for (uint j = 0; j < NUM_FONT_COLORS; j++) {
// Prepare a surface for this color of the character
font[i].surf[j] = MakeSurface(FONT_W, FONT_H);
// Blit the temporary fontSurf onto this letter's
// surface
ApplySurface(-leftSide, sourceOffset, fontSurf,
font[i].surf[j]);
// Get the rgb values for this color
switch (j) {
case 0: // Shadow
r = 0;
g = 0;
b = 0;
break;
case 1: // Normal text
r = 220;
g = 220;
b = 220;
break;
case 2: // Highlighted text
r = 251;
g = 177;
b = 17;
break;
case 3: // Title
r = 255;
g = 255;
b = 255;
}
// Set the palette of the surface
for (uint k = 0; k < 256; k++) {
palette[k].r = static_cast<Uint8>(r);
palette[k].g = static_cast<Uint8>(g);
palette[k].b = static_cast<Uint8>(b);
}
// Change the palette of the surface
SDL_SetPalette(font[i].surf[j], SDL_LOGPAL, palette, 0,
256);
}
i++;
if (i > FONT_ARRAY_SIZE - 1) break;
sourceOffset -= FONT_H; // Move the big tall bmp up
}
SDL_FreeSurface(fontSurf);
return 0;
}
