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-rw-r--r--libwinnie/src/text.cc183
1 files changed, 97 insertions, 86 deletions
diff --git a/libwinnie/src/text.cc b/libwinnie/src/text.cc
index 81fa8d7..cd1a6f7 100644
--- a/libwinnie/src/text.cc
+++ b/libwinnie/src/text.cc
@@ -19,10 +19,10 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
Author: Eleni Maria Stea <elene.mst@gmail.com>
*/
-#include <stdlib.h>
-#include <ft2build.h>
#include <freetype/freetype.h>
+#include <ft2build.h>
#include <stdint.h>
+#include <stdlib.h>
#include "sdl/gfx.h"
#include "text.h"
@@ -35,114 +35,125 @@ Author: Eleni Maria Stea <elene.mst@gmail.com>
static int draw_glyph(Pixmap *pixmap, int x, int y, char c);
struct Text {
- FT_Library ft_lib;
- FT_Face ft_face;
- int text_x, text_y;
- int text_color[3];
+ FT_Library ft_lib;
+ FT_Face ft_face;
+ int text_x, text_y;
+ int text_color[3];
};
static Text *text;
-bool init_text()
+bool
+init_text()
{
- if(!(text = (Text*)malloc(sizeof *text))) {
- return false;
- }
+ if (!(text = (Text *) malloc(sizeof *text))) {
+ return false;
+ }
- get_subsys()->text_offset = (intptr_t)(text);
+ get_subsys()->text_offset = (intptr_t) (text);
- if(FT_Init_FreeType(&text->ft_lib)) {
- fprintf(stderr, "Failed to initialize the FreeType library!\n");
- return false;
- }
+ if (FT_Init_FreeType(&text->ft_lib)) {
+ fprintf(stderr, "Failed to initialize the FreeType library!\n");
+ return false;
+ }
- if(FT_New_Face(text->ft_lib, FONT_PATH, 0, &text->ft_face)) {
- fprintf(stderr, "Failed to load font: %s\n", FONT_PATH);
- return false;
- }
+ if (FT_New_Face(text->ft_lib, FONT_PATH, 0, &text->ft_face)) {
+ fprintf(stderr, "Failed to load font: %s\n", FONT_PATH);
+ return false;
+ }
- if(FT_Set_Char_Size(text->ft_face, 0, FONT_SIZE * 64, DPI, DPI)) {
- fprintf(stderr, "Failed to set font size\n");
- return false;
- }
+ if (FT_Set_Char_Size(text->ft_face, 0, FONT_SIZE * 64, DPI, DPI)) {
+ fprintf(stderr, "Failed to set font size\n");
+ return false;
+ }
- set_text_color(255, 255, 255);
+ set_text_color(255, 255, 255);
- return true;
+ return true;
}
-void destroy_text()
+void
+destroy_text()
{
- free(text);
+ free(text);
}
-void draw_text(const char *txt, Pixmap *pixmap)
+void
+draw_text(const char *txt, Pixmap *pixmap)
{
- if(!pixmap) {
- pixmap = get_framebuffer_pixmap();
- }
-
- while(*txt != 0) {
- text->text_x += draw_glyph(pixmap, text->text_x, text->text_y, *txt);
- txt++;
- }
+ if (!pixmap) {
+ pixmap = get_framebuffer_pixmap();
+ }
+
+ while (*txt != 0) {
+ text->text_x += draw_glyph(pixmap, text->text_x, text->text_y, *txt);
+ txt++;
+ }
}
-void set_text_position(int x, int y)
+void
+set_text_position(int x, int y)
{
- text->text_x = x;
- text->text_y = y;
-
+ text->text_x = x;
+ text->text_y = y;
}
-void set_text_color(int r, int g, int b)
+void
+set_text_color(int r, int g, int b)
{
- text->text_color[0] = r;
- text->text_color[1] = g;
- text->text_color[2] = b;
+ text->text_color[0] = r;
+ text->text_color[1] = g;
+ text->text_color[2] = b;
}
-static int draw_glyph(Pixmap *pixmap, int x, int y, char c)
+static int
+draw_glyph(Pixmap *pixmap, int x, int y, char c)
{
- if(FT_Load_Char(text->ft_face, c, FT_LOAD_RENDER)) {
- return 0;
- }
-
- x += text->ft_face->glyph->bitmap_left;
- y -= text->ft_face->glyph->bitmap_top;
-
- FT_Bitmap *ft_bmp = &text->ft_face->glyph->bitmap;
- unsigned char *bmp_ptr = ft_bmp->buffer;
- unsigned char *pxm_ptr = pixmap->get_image() + (pixmap->get_width() * y + x) * 4;
-
- Rect clipping_rect = get_clipping_rect();
-
- for(unsigned int i=0; i<ft_bmp->rows; i++) {
- int dest_y = i + y;
- if(dest_y >= clipping_rect.y + clipping_rect.height) {
- break;
- }
-
- if(dest_y >= clipping_rect.y) {
- for(unsigned int j=0; j<ft_bmp->width; j++) {
- int dest_x = j + x;
-
- if(dest_x >= clipping_rect.x + clipping_rect.width) {
- break;
- }
-
- if(bmp_ptr[j] && dest_x >= clipping_rect.x) {
- int a = (int)bmp_ptr[j];
- pxm_ptr[4 * j] = (a * text->text_color[0] + pxm_ptr[4 * j] * (255 - a)) / 255;
- pxm_ptr[4 * j + 1] = (a * text->text_color[1] + pxm_ptr[4 * j + 1] * (255 - a)) / 255;
- pxm_ptr[4 * j + 2] = (a * text->text_color[2] + pxm_ptr[4 * j + 2] * (255 - a)) / 255;
- }
- }
- }
-
- pxm_ptr += 4 * pixmap->get_width();
- bmp_ptr += ft_bmp->pitch;
- }
-
- return text->ft_face->glyph->advance.x >> 6;
+ if (FT_Load_Char(text->ft_face, c, FT_LOAD_RENDER)) {
+ return 0;
+ }
+
+ x += text->ft_face->glyph->bitmap_left;
+ y -= text->ft_face->glyph->bitmap_top;
+
+ FT_Bitmap *ft_bmp = &text->ft_face->glyph->bitmap;
+ unsigned char *bmp_ptr = ft_bmp->buffer;
+ unsigned char *pxm_ptr
+ = pixmap->get_image() + (pixmap->get_width() * y + x) * 4;
+
+ Rect clipping_rect = get_clipping_rect();
+
+ for (unsigned int i = 0; i < ft_bmp->rows; i++) {
+ int dest_y = i + y;
+ if (dest_y >= clipping_rect.y + clipping_rect.height) {
+ break;
+ }
+
+ if (dest_y >= clipping_rect.y) {
+ for (unsigned int j = 0; j < ft_bmp->width; j++) {
+ int dest_x = j + x;
+
+ if (dest_x >= clipping_rect.x + clipping_rect.width) {
+ break;
+ }
+
+ if (bmp_ptr[j] && dest_x >= clipping_rect.x) {
+ int a = (int) bmp_ptr[j];
+ pxm_ptr[4 * j]
+ = (a * text->text_color[0] + pxm_ptr[4 * j] * (255 - a)) / 255;
+ pxm_ptr[4 * j + 1]
+ = (a * text->text_color[1] + pxm_ptr[4 * j + 1] * (255 - a))
+ / 255;
+ pxm_ptr[4 * j + 2]
+ = (a * text->text_color[2] + pxm_ptr[4 * j + 2] * (255 - a))
+ / 255;
+ }
+ }
+ }
+
+ pxm_ptr += 4 * pixmap->get_width();
+ bmp_ptr += ft_bmp->pitch;
+ }
+
+ return text->ft_face->glyph->advance.x >> 6;
}
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