#include <SDL2/SDL.h>
-#include <assert.h>
+#include "system/stacktrace.h"
#include <stdio.h>
#include <string.h>
#include "math/rect.h"
#include "sdl/renderer.h"
#include "sprite_font.h"
-#include "system/error.h"
#include "system/lt.h"
+#include "system/nth_alloc.h"
+#include "system/log.h"
#define FONT_ROW_SIZE 18
-#define CHAR_WIDTH 7
-#define CHAR_HEIGHT 9
-struct sprite_font_t
+struct Sprite_font
{
- lt_t *lt;
+ Lt *lt;
SDL_Texture *texture;
};
-sprite_font_t *create_sprite_font_from_file(const char *bmp_file_path,
+Sprite_font *create_sprite_font_from_file(const char *bmp_file_path,
SDL_Renderer *renderer)
{
- assert(bmp_file_path);
- assert(renderer);
+ trace_assert(bmp_file_path);
+ trace_assert(renderer);
- lt_t * const lt = create_lt();
+ Lt * const lt = create_lt();
if (lt == NULL) {
return NULL;
}
- sprite_font_t * const sprite_font = PUSH_LT(lt, malloc(sizeof(sprite_font_t)), free);
+ Sprite_font * const sprite_font = PUSH_LT(lt, nth_alloc(sizeof(Sprite_font)), free);
if (sprite_font == NULL) {
- throw_error(ERROR_TYPE_LIBC);
RETURN_LT(lt, NULL);
}
SDL_Surface * const surface = PUSH_LT(lt, SDL_LoadBMP(bmp_file_path), SDL_FreeSurface);
if (surface == NULL) {
- throw_error(ERROR_TYPE_SDL2);
+ log_fail("Could not load %s: %s\n", bmp_file_path, SDL_GetError());
RETURN_LT(lt, NULL);
}
SDL_TRUE,
SDL_MapRGB(surface->format,
0, 0, 0)) < 0) {
- throw_error(ERROR_TYPE_SDL2);
+ log_fail("SDL_SetColorKey: %s\n", SDL_GetError());
RETURN_LT(lt, NULL);
}
SDL_CreateTextureFromSurface(renderer, surface),
SDL_DestroyTexture);
if (sprite_font->texture == NULL) {
- throw_error(ERROR_TYPE_SDL2);
+ log_fail("SDL_CreateTextureFromSurface: %s\n", SDL_GetError());
RETURN_LT(lt, NULL);
}
return sprite_font;
}
-void destroy_sprite_font(sprite_font_t *sprite_font)
+void destroy_sprite_font(Sprite_font *sprite_font)
{
- assert(sprite_font);
+ trace_assert(sprite_font);
RETURN_LT0(sprite_font->lt);
}
-static SDL_Rect sprite_font_char_rect(const sprite_font_t *sprite_font, char x)
+static SDL_Rect sprite_font_char_rect(const Sprite_font *sprite_font, char x)
{
- assert(sprite_font);
+ trace_assert(sprite_font);
if (32 <= x && x <= 126) {
const SDL_Rect rect = {
- .x = ((x - 32) % FONT_ROW_SIZE) * CHAR_WIDTH,
- .y = ((x - 32) / FONT_ROW_SIZE) * CHAR_HEIGHT,
- .w = CHAR_WIDTH,
- .h = CHAR_HEIGHT
+ .x = ((x - 32) % FONT_ROW_SIZE) * FONT_CHAR_WIDTH,
+ .y = ((x - 32) / FONT_ROW_SIZE) * FONT_CHAR_HEIGHT,
+ .w = FONT_CHAR_WIDTH,
+ .h = FONT_CHAR_HEIGHT
};
return rect;
} else {
}
}
-int sprite_font_render_text(const sprite_font_t *sprite_font,
+int sprite_font_render_text(const Sprite_font *sprite_font,
SDL_Renderer *renderer,
- vec_t position,
- float size,
- color_t color,
+ Vec position,
+ Vec size,
+ Color color,
const char *text)
{
- assert(sprite_font);
- assert(renderer);
- assert(text);
+ trace_assert(sprite_font);
+ trace_assert(renderer);
+ trace_assert(text);
const SDL_Color sdl_color = color_for_sdl(color);
if (SDL_SetTextureColorMod(sprite_font->texture, sdl_color.r, sdl_color.g, sdl_color.b) < 0) {
- throw_error(ERROR_TYPE_SDL2);
+ log_fail("SDL_SetTextureColorMod: %s\n", SDL_GetError());
+ return -1;
+ }
+
+ if (SDL_SetTextureAlphaMod(sprite_font->texture, sdl_color.a) < 0) {
+ log_fail("SDL_SetTextureAlphaMod: %s\n", SDL_GetError());
return -1;
}
const SDL_Rect char_rect = sprite_font_char_rect(sprite_font, text[i]);
const SDL_Rect dest_rect = rect_for_sdl(
rect(
- position.x + (float) CHAR_WIDTH * (float) i * size,
+ position.x + (float) FONT_CHAR_WIDTH * (float) i * size.x,
position.y,
- (float) char_rect.w * size,
- (float) char_rect.h * size));
+ (float) char_rect.w * size.x,
+ (float) char_rect.h * size.y));
if (SDL_RenderCopy(renderer, sprite_font->texture, &char_rect, &dest_rect) < 0) {
return -1;
}
}
+
return 0;
}
+
+Rect sprite_font_boundary_box(const Sprite_font *sprite_font,
+ Vec position,
+ Vec size,
+ const char *text)
+{
+ trace_assert(sprite_font);
+ trace_assert(text);
+ return rect(
+ position.x, position.y,
+ size.x * FONT_CHAR_WIDTH * (float) strlen(text),
+ size.y * FONT_CHAR_HEIGHT);
+}