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(GLUI) Display a BACK icon

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This commit is contained in:
Jean-André Santoni 2015-10-27 22:49:48 +07:00
parent cc853ac1ef
commit 1d7e83c6d6
1 changed files with 48 additions and 4 deletions
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52
menu/drivers/glui.c
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@ -40,6 +40,7 @@
enum
{
GLUI_TEXTURE_POINTER = 0,
GLUI_TEXTURE_BACK,
GLUI_TEXTURE_LAST
};
@ -51,6 +52,7 @@ struct glui_texture_item
typedef struct glui_handle
{
unsigned line_height;
unsigned icon_size;
unsigned margin;
unsigned glyph_width;
char box_message[PATH_MAX_LENGTH];
@ -98,6 +100,9 @@ static void glui_context_reset_textures(glui_handle_t *glui, const char *iconpat
case GLUI_TEXTURE_POINTER:
fill_pathname_join(path, iconpath, "pointer.png", sizeof(path));
break;
case GLUI_TEXTURE_BACK:
fill_pathname_join(path, iconpath, "back.png", sizeof(path));
break;
}
if (path[0] == '\0' || !path_file_exists(path))
@ -112,6 +117,44 @@ static void glui_context_reset_textures(glui_handle_t *glui, const char *iconpat
}
}
static void glui_draw_icon(gl_t *gl, glui_handle_t *glui,
GRuint texture,
float x, float y,
unsigned width, unsigned height,
float rotation, float scale_factor,
GRfloat *color)
{
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
if (gl->shader && gl->shader->use)
gl->shader->use(gl, GL_SHADER_STOCK_BLEND);
struct gfx_coords coords;
math_matrix_4x4 mymat, mrot, mscal;
matrix_4x4_rotate_z(&mrot, rotation);
matrix_4x4_multiply(&mymat, &mrot, &gl->mvp_no_rot);
matrix_4x4_scale(&mscal, scale_factor, scale_factor, 1);
matrix_4x4_multiply(&mymat, &mscal, &mymat);
coords.vertices = 4;
coords.vertex = glui_vertexes;
coords.tex_coord = glui_tex_coords;
coords.lut_tex_coord = glui_tex_coords;
coords.color = (const float*)color;
menu_display_draw_frame(
x,
height - y - glui->icon_size,
glui->icon_size,
glui->icon_size,
gl->shader, &coords, &mymat, false, texture, 4,
MENU_DISPLAY_PRIM_TRIANGLESTRIP);
glDisable(GL_BLEND);
}
static void glui_blit_line(float x, float y, unsigned width, unsigned height,
const char *message, uint32_t color, enum text_alignment text_align)
@ -130,7 +173,7 @@ static void glui_blit_line(float x, float y, unsigned width, unsigned height,
menu_display_ctl(MENU_DISPLAY_CTL_FONT_SIZE, &font_size);
params.x = x / width;
params.y = 1.0f - (y + glui->line_height / 2 + font_size / 2.5)
params.y = 1.0f - (y + glui->line_height / 2 + font_size / 3)
/ height;
params.scale = 1.0;
params.color = color;
@ -564,8 +607,8 @@ static void glui_frame(void)
title_color, TEXT_ALIGN_CENTER);
if (menu_entries_show_back())
glui_blit_line(glui->margin, 0, width, height, menu_hash_to_str(MENU_VALUE_BACK),
title_color, TEXT_ALIGN_LEFT);
glui_draw_icon(gl, glui, glui->textures.list[GLUI_TEXTURE_BACK].id,
glui->margin/1.5, glui->margin/1.5, width, height, 0, 1, &white_bg[0]);
glui_render_quad(gl,
0,
@ -686,7 +729,8 @@ static void glui_layout(menu_handle_t *menu, glui_handle_t *glui)
new_font_size = scale_factor / 9;
glui->line_height = scale_factor / 3;
glui->margin = scale_factor / 6;
glui->margin = scale_factor / 9;
glui->icon_size = scale_factor / 6;
menu_display_ctl(MENU_DISPLAY_CTL_SET_HEADER_HEIGHT, &new_header_height);
menu_display_ctl(MENU_DISPLAY_CTL_SET_FONT_SIZE, &new_font_size);