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-rw-r--r--minui/font_10x18.h8
-rw-r--r--minui/graphics.cpp114
-rw-r--r--minui/graphics_adf.cpp8
-rw-r--r--minui/graphics_fbdev.cpp2
-rw-r--r--minui/minui.h16
-rw-r--r--minui/resources.cpp12
6 files changed, 93 insertions, 67 deletions
diff --git a/minui/font_10x18.h b/minui/font_10x18.h
index 29d705344..30dfb9c56 100644
--- a/minui/font_10x18.h
+++ b/minui/font_10x18.h
@@ -1,14 +1,14 @@
struct {
unsigned width;
unsigned height;
- unsigned cwidth;
- unsigned cheight;
+ unsigned char_width;
+ unsigned char_height;
unsigned char rundata[2973];
} font = {
.width = 960,
.height = 18,
- .cwidth = 10,
- .cheight = 18,
+ .char_width = 10,
+ .char_height = 18,
.rundata = {
0x7f,0x7f,0x7f,0x7f,0x7f,0x7f,0x7f,0x55,0x82,0x06,0x82,0x02,0x82,0x10,0x82,
0x11,0x83,0x08,0x82,0x0a,0x82,0x04,0x82,0x46,0x82,0x08,0x82,0x07,0x84,0x06,
diff --git a/minui/graphics.cpp b/minui/graphics.cpp
index c0eea9e38..dcca3ec41 100644
--- a/minui/graphics.cpp
+++ b/minui/graphics.cpp
@@ -35,12 +35,6 @@
#include "minui.h"
#include "graphics.h"
-struct GRFont {
- GRSurface* texture;
- int cwidth;
- int cheight;
-};
-
static GRFont* gr_font = NULL;
static minui_backend* gr_backend = NULL;
@@ -60,15 +54,20 @@ static bool outside(int x, int y)
return x < 0 || x >= gr_draw->width || y < 0 || y >= gr_draw->height;
}
-int gr_measure(const char *s)
+const GRFont* gr_sys_font()
+{
+ return gr_font;
+}
+
+int gr_measure(const GRFont* font, const char *s)
{
- return gr_font->cwidth * strlen(s);
+ return font->char_width * strlen(s);
}
-void gr_font_size(int *x, int *y)
+void gr_font_size(const GRFont* font, int *x, int *y)
{
- *x = gr_font->cwidth;
- *y = gr_font->cheight;
+ *x = font->char_width;
+ *y = font->char_height;
}
static void text_blend(unsigned char* src_p, int src_row_bytes,
@@ -103,34 +102,32 @@ static void text_blend(unsigned char* src_p, int src_row_bytes,
}
}
-void gr_text(int x, int y, const char *s, bool bold)
+void gr_text(const GRFont* font, int x, int y, const char *s, bool bold)
{
- GRFont* font = gr_font;
-
if (!font->texture || gr_current_a == 0) return;
- bold = bold && (font->texture->height != font->cheight);
+ bold = bold && (font->texture->height != font->char_height);
x += overscan_offset_x;
y += overscan_offset_y;
unsigned char ch;
while ((ch = *s++)) {
- if (outside(x, y) || outside(x+font->cwidth-1, y+font->cheight-1)) break;
+ if (outside(x, y) || outside(x+font->char_width-1, y+font->char_height-1)) break;
if (ch < ' ' || ch > '~') {
ch = '?';
}
- unsigned char* src_p = font->texture->data + ((ch - ' ') * font->cwidth) +
- (bold ? font->cheight * font->texture->row_bytes : 0);
+ unsigned char* src_p = font->texture->data + ((ch - ' ') * font->char_width) +
+ (bold ? font->char_height * font->texture->row_bytes : 0);
unsigned char* dst_p = gr_draw->data + y*gr_draw->row_bytes + x*gr_draw->pixel_bytes;
text_blend(src_p, font->texture->row_bytes,
dst_p, gr_draw->row_bytes,
- font->cwidth, font->cheight);
+ font->char_width, font->char_height);
- x += font->cwidth;
+ x += font->char_width;
}
}
@@ -267,40 +264,59 @@ unsigned int gr_get_height(GRSurface* surface) {
return surface->height;
}
+int gr_init_font(const char* name, GRFont** dest) {
+ GRFont* font = reinterpret_cast<GRFont*>(calloc(1, sizeof(*gr_font)));
+ if (font == nullptr) {
+ return -1;
+ }
+
+ int res = res_create_alpha_surface(name, &(font->texture));
+ if (res < 0) {
+ free(font);
+ return res;
+ }
+
+ // The font image should be a 96x2 array of character images. The
+ // columns are the printable ASCII characters 0x20 - 0x7f. The
+ // top row is regular text; the bottom row is bold.
+ font->char_width = font->texture->width / 96;
+ font->char_height = font->texture->height / 2;
+
+ *dest = font;
+
+ return 0;
+}
+
static void gr_init_font(void)
{
- gr_font = reinterpret_cast<GRFont*>(calloc(sizeof(*gr_font), 1));
-
- int res = res_create_alpha_surface("font", &(gr_font->texture));
+ int res = gr_init_font("font", &gr_font);
if (res == 0) {
- // The font image should be a 96x2 array of character images. The
- // columns are the printable ASCII characters 0x20 - 0x7f. The
- // top row is regular text; the bottom row is bold.
- gr_font->cwidth = gr_font->texture->width / 96;
- gr_font->cheight = gr_font->texture->height / 2;
- } else {
- printf("failed to read font: res=%d\n", res);
-
- // fall back to the compiled-in font.
- gr_font->texture = reinterpret_cast<GRSurface*>(malloc(sizeof(*gr_font->texture)));
- gr_font->texture->width = font.width;
- gr_font->texture->height = font.height;
- gr_font->texture->row_bytes = font.width;
- gr_font->texture->pixel_bytes = 1;
-
- unsigned char* bits = reinterpret_cast<unsigned char*>(malloc(font.width * font.height));
- gr_font->texture->data = reinterpret_cast<unsigned char*>(bits);
-
- unsigned char data;
- unsigned char* in = font.rundata;
- while((data = *in++)) {
- memset(bits, (data & 0x80) ? 255 : 0, data & 0x7f);
- bits += (data & 0x7f);
- }
+ return;
+ }
+
+ printf("failed to read font: res=%d\n", res);
+
- gr_font->cwidth = font.cwidth;
- gr_font->cheight = font.cheight;
+ // fall back to the compiled-in font.
+ gr_font = static_cast<GRFont*>(calloc(sizeof(*gr_font), 1));
+ gr_font->texture = static_cast<GRSurface*>(malloc(sizeof(*gr_font->texture)));
+ gr_font->texture->width = font.width;
+ gr_font->texture->height = font.height;
+ gr_font->texture->row_bytes = font.width;
+ gr_font->texture->pixel_bytes = 1;
+
+ unsigned char* bits = static_cast<unsigned char*>(malloc(font.width * font.height));
+ gr_font->texture->data = bits;
+
+ unsigned char data;
+ unsigned char* in = font.rundata;
+ while((data = *in++)) {
+ memset(bits, (data & 0x80) ? 255 : 0, data & 0x7f);
+ bits += (data & 0x7f);
}
+
+ gr_font->char_width = font.char_width;
+ gr_font->char_height = font.char_height;
}
#if 0
diff --git a/minui/graphics_adf.cpp b/minui/graphics_adf.cpp
index 3c3541094..9e262b044 100644
--- a/minui/graphics_adf.cpp
+++ b/minui/graphics_adf.cpp
@@ -68,9 +68,9 @@ static int adf_surface_init(adf_pdata *pdata, drm_mode_modeinfo *mode, adf_surfa
surf->base.row_bytes = surf->pitch;
surf->base.pixel_bytes = (pdata->format == DRM_FORMAT_RGB565) ? 2 : 4;
- surf->base.data = reinterpret_cast<uint8_t*>(mmap(NULL,
- surf->pitch * surf->base.height, PROT_WRITE,
- MAP_SHARED, surf->fd, surf->offset));
+ surf->base.data = static_cast<uint8_t*>(mmap(NULL,
+ surf->pitch * surf->base.height, PROT_WRITE,
+ MAP_SHARED, surf->fd, surf->offset));
if (surf->base.data == MAP_FAILED) {
close(surf->fd);
return -errno;
@@ -259,7 +259,7 @@ static void adf_exit(minui_backend *backend)
minui_backend *open_adf()
{
- adf_pdata* pdata = reinterpret_cast<adf_pdata*>(calloc(1, sizeof(*pdata)));
+ adf_pdata* pdata = static_cast<adf_pdata*>(calloc(1, sizeof(*pdata)));
if (!pdata) {
perror("allocating adf backend failed");
return NULL;
diff --git a/minui/graphics_fbdev.cpp b/minui/graphics_fbdev.cpp
index 0788f7552..631ef4e13 100644
--- a/minui/graphics_fbdev.cpp
+++ b/minui/graphics_fbdev.cpp
@@ -133,7 +133,7 @@ static GRSurface* fbdev_init(minui_backend* backend) {
gr_framebuffer[0].height = vi.yres;
gr_framebuffer[0].row_bytes = fi.line_length;
gr_framebuffer[0].pixel_bytes = vi.bits_per_pixel / 8;
- gr_framebuffer[0].data = reinterpret_cast<uint8_t*>(bits);
+ gr_framebuffer[0].data = static_cast<uint8_t*>(bits);
memset(gr_framebuffer[0].data, 0, gr_framebuffer[0].height * gr_framebuffer[0].row_bytes);
/* check if we can use double buffering */
diff --git a/minui/minui.h b/minui/minui.h
index 5362d3fe3..78890b84b 100644
--- a/minui/minui.h
+++ b/minui/minui.h
@@ -33,6 +33,12 @@ struct GRSurface {
unsigned char* data;
};
+struct GRFont {
+ GRSurface* texture;
+ int char_width;
+ int char_height;
+};
+
int gr_init();
void gr_exit();
@@ -45,10 +51,14 @@ void gr_fb_blank(bool blank);
void gr_clear(); // clear entire surface to current color
void gr_color(unsigned char r, unsigned char g, unsigned char b, unsigned char a);
void gr_fill(int x1, int y1, int x2, int y2);
-void gr_text(int x, int y, const char *s, bool bold);
+
void gr_texticon(int x, int y, GRSurface* icon);
-int gr_measure(const char *s);
-void gr_font_size(int *x, int *y);
+
+const GRFont* gr_sys_font();
+int gr_init_font(const char* name, GRFont** dest);
+void gr_text(const GRFont* font, int x, int y, const char *s, bool bold);
+int gr_measure(const GRFont* font, const char *s);
+void gr_font_size(const GRFont* font, int *x, int *y);
void gr_blit(GRSurface* source, int sx, int sy, int w, int h, int dx, int dy);
unsigned int gr_get_width(GRSurface* surface);
diff --git a/minui/resources.cpp b/minui/resources.cpp
index 455ef2784..9ccbf4b1b 100644
--- a/minui/resources.cpp
+++ b/minui/resources.cpp
@@ -37,7 +37,7 @@
static GRSurface* malloc_surface(size_t data_size) {
size_t size = sizeof(GRSurface) + data_size + SURFACE_DATA_ALIGNMENT;
- unsigned char* temp = reinterpret_cast<unsigned char*>(malloc(size));
+ unsigned char* temp = static_cast<unsigned char*>(malloc(size));
if (temp == NULL) return NULL;
GRSurface* surface = reinterpret_cast<GRSurface*>(temp);
surface->data = temp + sizeof(GRSurface) +
@@ -221,7 +221,7 @@ int res_create_display_surface(const char* name, GRSurface** pSurface) {
png_set_bgr(png_ptr);
#endif
- p_row = reinterpret_cast<unsigned char*>(malloc(width * 4));
+ p_row = static_cast<unsigned char*>(malloc(width * 4));
for (y = 0; y < height; ++y) {
png_read_row(png_ptr, p_row, NULL);
transform_rgb_to_draw(p_row, surface->data + y * surface->row_bytes, channels, width);
@@ -281,7 +281,7 @@ int res_create_multi_display_surface(const char* name, int* frames, int* fps,
goto exit;
}
- surface = reinterpret_cast<GRSurface**>(calloc(*frames, sizeof(GRSurface*)));
+ surface = static_cast<GRSurface**>(calloc(*frames, sizeof(GRSurface*)));
if (surface == NULL) {
result = -8;
goto exit;
@@ -298,7 +298,7 @@ int res_create_multi_display_surface(const char* name, int* frames, int* fps,
png_set_bgr(png_ptr);
#endif
- p_row = reinterpret_cast<unsigned char*>(malloc(width * 4));
+ p_row = static_cast<unsigned char*>(malloc(width * 4));
for (y = 0; y < height; ++y) {
png_read_row(png_ptr, p_row, NULL);
int frame = y % *frames;
@@ -308,7 +308,7 @@ int res_create_multi_display_surface(const char* name, int* frames, int* fps,
}
free(p_row);
- *pSurface = reinterpret_cast<GRSurface**>(surface);
+ *pSurface = surface;
exit:
png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
@@ -436,7 +436,7 @@ int res_create_localized_alpha_surface(const char* name,
memcpy(surface->data + i*w, row.data(), w);
}
- *pSurface = reinterpret_cast<GRSurface*>(surface);
+ *pSurface = surface;
break;
} else {
int i;
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-01 22:44:01 +0200