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-rw-r--r--src/sdl/draw-text.c130
-rw-r--r--src/sdl/draw-text.h35
-rw-r--r--src/sdl/draw.c126
3 files changed, 197 insertions, 94 deletions
diff --git a/src/sdl/draw-text.c b/src/sdl/draw-text.c
new file mode 100644
index 0000000..0e58949
--- /dev/null
+++ b/src/sdl/draw-text.c
@@ -0,0 +1,130 @@
+#include "draw-text.h"
+#include "util.h"
+
+static SDL_Rect
+text_get_rect(
+ SDL_Renderer * const renderer,
+ TTF_Font * const font,
+ const text_style_t * const style,
+ const char * const buf
+) {
+ // get renderer size
+ int renderer_w, renderer_h;
+ if (SDL_GetRendererOutputSize(renderer, &renderer_w, &renderer_h)) {
+ die("SDL_GetRendererOutputSize(): %s", SDL_GetError());
+ }
+
+ // get text size
+ int text_w, text_h;
+ if (TTF_SizeText(font, buf, &text_w, &text_h)) {
+ die("TTF_SizeText(): %s", TTF_GetError());
+ }
+
+ // build rect
+ switch (style->align) {
+ case TEXT_ALIGN_TOP_LEFT:
+ return (SDL_Rect) {
+ .x = style->pad.x,
+ .y = style->pad.y,
+ .w = text_w,
+ .h = text_h,
+ };
+ case TEXT_ALIGN_TOP_CENTER:
+ return (SDL_Rect) {
+ .x = (renderer_w - text_w) / 2 + style->pad.x,
+ .y = style->pad.y,
+ .w = text_w,
+ .h = text_h,
+ };
+ case TEXT_ALIGN_TOP_RIGHT:
+ return (SDL_Rect) {
+ .x = renderer_w - text_w - style->pad.x,
+ .y = style->pad.y,
+ .w = text_w,
+ .h = text_h,
+ };
+ case TEXT_ALIGN_CENTER_LEFT:
+ return (SDL_Rect) {
+ .x = style->pad.x,
+ .y = (renderer_h - text_h) / 2 + style->pad.y,
+ .w = text_w,
+ .h = text_h,
+ };
+ case TEXT_ALIGN_CENTER_CENTER:
+ return (SDL_Rect) {
+ .x = (renderer_w - text_w) / 2 + style->pad.x,
+ .y = (renderer_h - text_h) / 2 + style->pad.y,
+ .w = text_w,
+ .h = text_h,
+ };
+ case TEXT_ALIGN_CENTER_RIGHT:
+ return (SDL_Rect) {
+ .x = renderer_w - text_w - style->pad.x,
+ .y = (renderer_h - text_h) / 2 + style->pad.y,
+ .w = text_w,
+ .h = text_h,
+ };
+ case TEXT_ALIGN_BOTTOM_LEFT:
+ return (SDL_Rect) {
+ .x = style->pad.x,
+ .y = renderer_h - text_h - style->pad.y,
+ .w = text_w,
+ .h = text_h,
+ };
+ case TEXT_ALIGN_BOTTOM_CENTER:
+ return (SDL_Rect) {
+ .x = (renderer_w - text_w) / 2 + style->pad.x,
+ .y = renderer_h - text_h - style->pad.y,
+ .w = text_w,
+ .h = text_h,
+ };
+ case TEXT_ALIGN_BOTTOM_RIGHT:
+ return (SDL_Rect) {
+ .x = renderer_w - text_w - style->pad.x,
+ .y = renderer_h - text_h - style->pad.y,
+ .w = text_w,
+ .h = text_h,
+ };
+ default:
+ return (SDL_Rect) {
+ .x = style->pad.x,
+ .y = style->pad.y,
+ .w = text_w,
+ .h = text_h,
+ };
+ }
+}
+
+void
+draw_text(
+ SDL_Renderer * const renderer,
+ TTF_Font * const font,
+ const text_style_t * const style,
+ const char * const buf
+) {
+ // get rect
+ const SDL_Rect rect = text_get_rect(renderer, font, style, buf);
+
+ // create surface, check for error
+ SDL_Surface *surface = TTF_RenderText_Shaded(font, buf, style->colors[0], style->colors[1]);
+ if (!surface) {
+ die("TTF_RenderText_Blended(): %s", TTF_GetError());
+ }
+
+ // create texture, check for error
+ SDL_Texture *texture = SDL_CreateTextureFromSurface(renderer, surface);
+ if (!texture) {
+ die("SDL_CreateTextureFromSurface(): %s", SDL_GetError());
+ }
+
+ // free surface
+ SDL_FreeSurface(surface);
+
+ // render text
+ if (SDL_RenderCopy(renderer, texture, NULL, &rect)) {
+ die("SDL_RenderCopy(): %s", SDL_GetError());
+ }
+
+ // free texture
+ SDL_DestroyTexture(texture);
+}
diff --git a/src/sdl/draw-text.h b/src/sdl/draw-text.h
new file mode 100644
index 0000000..b58c1c1
--- /dev/null
+++ b/src/sdl/draw-text.h
@@ -0,0 +1,35 @@
+#ifndef DRAW_TEXT_H
+#define DRAW_TEXT_H
+
+#include "../libsok/sok.h" // sok_pos_t
+#include <SDL.h> // SDL_Color
+#include <SDL_ttf.h> // TTF_Font
+
+typedef enum {
+ TEXT_ALIGN_TOP_LEFT,
+ TEXT_ALIGN_TOP_CENTER,
+ TEXT_ALIGN_TOP_RIGHT,
+ TEXT_ALIGN_CENTER_LEFT,
+ TEXT_ALIGN_CENTER_CENTER,
+ TEXT_ALIGN_CENTER_RIGHT,
+ TEXT_ALIGN_BOTTOM_LEFT,
+ TEXT_ALIGN_BOTTOM_RIGHT,
+ TEXT_ALIGN_BOTTOM_CENTER,
+ TEXT_ALIGN_LAST,
+} text_align_t;
+
+typedef struct {
+ const text_align_t align;
+ const sok_pos_t pad;
+ const SDL_Color colors[2];
+} text_style_t;
+
+void
+draw_text(
+ SDL_Renderer * const,
+ TTF_Font * const,
+ const text_style_t * const,
+ const char * const
+);
+
+#endif /* DRAW_TEXT_H */
diff --git a/src/sdl/draw.c b/src/sdl/draw.c
index 2dab2ee..418ddd2 100644
--- a/src/sdl/draw.c
+++ b/src/sdl/draw.c
@@ -4,6 +4,7 @@
#include "color.h" // set_color()
#include "draw.h"
#include "sprites.h"
+#include "draw-text.h"
#define M_2_PI (2.0 * 3.1415926)
@@ -189,50 +190,17 @@ DRAW_CBS = {
.on_box = draw_sprites_on_box,
};
-static const SDL_Color
-TEXT_COLORS[] = {
- { 0xff, 0xff, 0xff, 0xff }, // fg
- { 0x00, 0x00, 0x00, 0xff }, // bg
+static const text_style_t
+TITLE_STYLE = {
+ .align = TEXT_ALIGN_TOP_CENTER,
+ .pad = { 0, 10 },
+ .colors = {
+ { 0xff, 0xff, 0xff, 0xff },
+ { 0x00, 0x00, 0x00, 0xff },
+ },
};
static void
-draw_text(
- draw_ctx_t * const draw_ctx,
- const char * const buf,
- const SDL_Rect * const rect
-) {
- // create surface
- SDL_Surface *surface = TTF_RenderText_Shaded(
- draw_ctx->font,
- buf,
- TEXT_COLORS[0],
- TEXT_COLORS[1]
- );
-
- // check for error
- if (!surface) {
- die("TTF_RenderText_Blended(): %s", TTF_GetError());
- }
-
- // create texture
- SDL_Texture *texture = SDL_CreateTextureFromSurface(draw_ctx->renderer, surface);
- if (!texture) {
- die("SDL_CreateTextureFromSurface(): %s", SDL_GetError());
- }
-
- // free surface
- SDL_FreeSurface(surface);
-
- // render text
- if (SDL_RenderCopy(draw_ctx->renderer, texture, NULL, rect)) {
- die("SDL_RenderCopy(): %s", SDL_GetError());
- }
-
- // free texture
- SDL_DestroyTexture(texture);
-}
-
-static void
draw_title_text(
draw_ctx_t * const draw_ctx
) {
@@ -246,25 +214,20 @@ draw_title_text(
*draw_ctx->level_num
);
- // get renderer width
- int renderer_w;
- if (SDL_GetRendererOutputSize(draw_ctx->renderer, &renderer_w, NULL)) {
- die("SDL_GetRendererOutputSize(): %s", SDL_GetError());
- }
-
- // get text size
- int text_w, text_h;
- if (TTF_SizeText(draw_ctx->font, buf, &text_w, &text_h)) {
- die("TTF_SizeText(): %s", TTF_GetError());
- }
-
- // build rect
- const SDL_Rect rect = { (renderer_w - text_w) / 2, 10, text_w, text_h };
-
// draw text
- draw_text(draw_ctx, buf, &rect);
+ draw_text(draw_ctx->renderer, draw_ctx->font, &TITLE_STYLE, buf);
}
+static const text_style_t
+MOVES_STYLE = {
+ .align = TEXT_ALIGN_BOTTOM_LEFT,
+ .pad = { 10, 10 },
+ .colors = {
+ { 0xff, 0xff, 0xff, 0xff },
+ { 0x00, 0x00, 0x00, 0xff },
+ },
+};
+
static void
draw_moves_text(
draw_ctx_t * const draw_ctx
@@ -278,25 +241,20 @@ draw_moves_text(
sok_ctx_is_done(draw_ctx->ctx) ? " (Won!)" : ""
);
- // get renderer height
- int renderer_h;
- if (SDL_GetRendererOutputSize(draw_ctx->renderer, NULL, &renderer_h)) {
- die("SDL_GetRendererOutputSize(): %s", SDL_GetError());
- }
-
- // get text size
- int text_w, text_h;
- if (TTF_SizeText(draw_ctx->font, buf, &text_w, &text_h)) {
- die("TTF_SizeText(): %s", TTF_GetError());
- }
-
- // build rect
- const SDL_Rect rect = { 10, renderer_h - text_h - 10, text_w, text_h };
-
// draw text
- draw_text(draw_ctx, buf, &rect);
+ draw_text(draw_ctx->renderer, draw_ctx->font, &MOVES_STYLE, buf);
}
+static const text_style_t
+HELP_STYLE = {
+ .align = TEXT_ALIGN_BOTTOM_RIGHT,
+ .pad = { 10, 10 },
+ .colors = {
+ { 0xff, 0xff, 0xff, 0xff },
+ { 0x00, 0x00, 0x00, 0xff },
+ },
+};
+
#define DELIM " "
static void
@@ -311,28 +269,8 @@ draw_help_text(
sok_ctx_is_done(draw_ctx->ctx) ? "Space: Next Level" DELIM : ""
);
- // get renderer height
- int renderer_w, renderer_h;
- if (SDL_GetRendererOutputSize(draw_ctx->renderer, &renderer_w, &renderer_h)) {
- die("SDL_GetRendererOutputSize(): %s", SDL_GetError());
- }
-
- // get text size
- int text_w, text_h;
- if (TTF_SizeText(draw_ctx->font, buf, &text_w, &text_h)) {
- die("TTF_SizeText(): %s", TTF_GetError());
- }
-
- // build rect
- const SDL_Rect rect = {
- renderer_w - text_w - 10,
- renderer_h - text_h - 10,
- text_w,
- text_h,
- };
-
// draw text
- draw_text(draw_ctx, buf, &rect);
+ draw_text(draw_ctx->renderer, draw_ctx->font, &HELP_STYLE, buf);
}
static void
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-24 03:03:27 +0000