mirror of
https://github.com/VincentWei/MiniGUI.git
synced 2026-09-26 03:23:46 +08:00
tune implementation of CreateIconEx and DrawIcon; implement LoadBitmapIconEx, LoadBitmapIconFromFile, and LoadBitmapIconFromMem
This commit is contained in:
Vincent Wei
+250
-25
@@ -66,15 +66,14 @@
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#include "memops.h"
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#include "dc.h"
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#include "icon.h"
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#include "cursor.h"
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#include "readbmp.h"
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#include "misc.h"
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#define align_32_bits(b) (((b) + 3) & -4)
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/*-------------------------*/
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#if ((defined(__THREADX__) && defined(__TARGET_VFANVIL__)) || (defined(__NUCLEUS__) && defined(__TARGET_MONACO__)))
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#define fgetc my_fgetc
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int my_fgetc(FILE *stream)
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#if ((defined(__THREADX__) && defined(__TARGET_VFANVIL__)) || \
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(defined(__NUCLEUS__) && defined(__TARGET_MONACO__)))
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static int my_fgetc (FILE *stream)
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{
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int c;
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while (!feof (stream)) {
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@@ -85,8 +84,10 @@ int my_fgetc(FILE *stream)
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}
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return EOF;
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}
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#endif
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/*-------------------------*/
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#define fgetc my_fgetc
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#endif /* (__THREADX__ && __TARGET_VFANVIL__)... */
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void _dc_restore_alpha_in_bitmap (const GAL_PixelFormat* format,
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void* dst_bits, unsigned int nr_bytes)
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@@ -359,60 +360,253 @@ error:
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return 0;
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}
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HICON GUIAPI CreateIconEx (HDC hdc, int w, int h, const BYTE* pAndBits,
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const BYTE* pXorBits, int colornum, const RGB *pal)
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HICON GUIAPI CreateIconEx (HDC hdc, int w, int h, const BYTE* pANDBits,
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const BYTE* pXORBits, int colornum, const RGB *pal)
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{
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PDC pdc;
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PICON picon;
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Uint32 image_size;
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gal_pixel trans_pixel;
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pdc = dc_HDC2PDC (hdc);
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/* Since 4.2.0, we always decode an icon into RGBA8888 compliant pixels */
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hdc = __mg_get_common_rgba8888_dc ();
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if (!(pdc = dc_HDC2PDC (hdc)))
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return 0;
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if( (w%16) != 0 || (h%16) != 0 ) return 0;
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if ((w % 16) != 0 || (h % 16) != 0 || w <= 0 || h <= 0)
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return 0;
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/* allocate memory. */
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if (!(picon = (PICON)malloc (sizeof(ICON))))
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if (!(picon = mg_slice_new (ICON)))
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return 0;
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image_size = GAL_GetBoxSize (pdc->surface, w, h, &picon->pitch);
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if (!(picon->AndBits = malloc (image_size)))
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goto error1;
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if (!(picon->XorBits = malloc (image_size)))
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goto error2;
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if (!(picon->pixels = malloc (image_size)))
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goto error;
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picon->width = w;
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picon->height = h;
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trans_pixel = GAL_MapRGBA (pdc->surface->format, 0x00, 0x00, 0x00, 0x00);
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if (colornum == 1) {
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#if 1
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int x, y;
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int mono_pitch = align_32_bits (w >> 3);
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BYTE and_byte = 0;
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BYTE xor_byte = 0;
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gal_pixel white_pixel = GAL_MapRGBA (pdc->surface->format,
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0xFF, 0xFF, 0xFF, 0xFF);
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gal_pixel black_pixel = GAL_MapRGBA (pdc->surface->format,
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0x00, 0x00, 0x00, 0xFF);
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pANDBits += mono_pitch * (h - 1);
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pXORBits += mono_pitch * (h - 1);
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Uint32* pixels = (Uint32*)picon->pixels;
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for (y = 0; y < h; y++) {
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const BYTE* and_bytes = pANDBits;
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const BYTE* xor_bytes = pXORBits;
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for (x = 0; x < w; x++) {
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if (x % 8 == 0) {
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and_byte = *and_bytes++;
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xor_byte = *xor_bytes++;
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}
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if (and_byte & (0x80 >> (x % 8))) {
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pixels [x] = trans_pixel;
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}
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else {
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if (xor_byte & (0x80 >> (x % 8))) {
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pixels [x] = white_pixel;
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}
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else {
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pixels [x] = black_pixel;
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}
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}
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}
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pANDBits -= mono_pitch;
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pXORBits -= mono_pitch;
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pixels += (picon->pitch >> 2);
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}
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#else
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ExpandMonoBitmap (hdc, picon->AndBits, picon->pitch, pAndBits,
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align_32_bits (w >> 3), w, h, MYBMP_FLOW_UP, 0, 0xFFFFFFFF);
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ExpandMonoBitmap (hdc, picon->XorBits, picon->pitch, pXorBits,
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align_32_bits (w >> 3), w, h, MYBMP_FLOW_UP, 0, 0xFFFFFFFF);
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#endif
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}
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else if (colornum == 4) {
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#if 1
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int x, y;
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int pitch_mono = align_32_bits (w >> 3);
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int pitch_16c = align_32_bits (w >> 1);
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BYTE and_byte = 0;
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BYTE xor_byte = 0;
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int idx_16c = 0;
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const RGB* std16c_rgb = __mg_bmp_get_std_16c ();
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pANDBits += pitch_mono * (h - 1);
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pXORBits += pitch_16c * (h - 1);
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Uint32* pixels = (Uint32*)picon->pixels;
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for (y = 0; y < h; y++) {
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const BYTE* and_bytes = pANDBits;
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const BYTE* xor_bytes = pXORBits;
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for (x = 0; x < w; x++) {
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if (x % 8 == 0) {
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and_byte = *and_bytes++;
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}
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if (x % 2 == 0) {
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xor_byte = *xor_bytes++;
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idx_16c = (xor_byte >> 4) & 0x0F;
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}
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else {
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idx_16c = xor_byte & 0x0F;
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}
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if (and_byte & (0x80 >> (x % 8))) {
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pixels [x] = trans_pixel;
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}
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else {
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pixels [x] = GAL_MapRGBA (pdc->surface->format,
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std16c_rgb[idx_16c].r, std16c_rgb[idx_16c].g,
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std16c_rgb[idx_16c].b, 0xFF);
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}
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}
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pANDBits -= pitch_mono;
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pXORBits -= pitch_16c;
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pixels += (picon->pitch >> 2);
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}
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#else
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ExpandMonoBitmap (hdc, picon->AndBits, picon->pitch, pAndBits,
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align_32_bits (w >> 3), w, h, MYBMP_FLOW_UP, 0, 0xFFFFFFFF);
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Expand16CBitmap (hdc, picon->XorBits, picon->pitch, pXorBits,
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align_32_bits (w >> 1), w, h, MYBMP_FLOW_UP, pal);
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#endif
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}
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else if (colornum == 8){
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else if (colornum == 8) {
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#if 1
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int x, y;
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int pitch_mono = align_32_bits (w >> 3);
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int pitch_256c = align_32_bits (w);
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BYTE and_byte = 0;
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BYTE xor_byte = 0;
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pANDBits += pitch_mono * (h - 1);
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pXORBits += pitch_256c * (h - 1);
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Uint32* pixels = (Uint32*)picon->pixels;
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for (y = 0; y < h; y++) {
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const BYTE* and_bytes = pANDBits;
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const BYTE* xor_bytes = pXORBits;
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for (x = 0; x < w; x++) {
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if (x % 8 == 0) {
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and_byte = *and_bytes++;
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}
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xor_byte = *xor_bytes++;
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if (and_byte & (0x80 >> (x % 8))) {
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pixels [x] = trans_pixel;
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}
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else {
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/* Treat the bitmap uses the dithered colorful palette. */
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pixels [x] = GAL_MapRGBA (pdc->surface->format,
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(xor_byte >> 5) & 0x07, (xor_byte >> 2) & 0x07,
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xor_byte & 0x03, 0xFF);
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}
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}
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pANDBits -= pitch_mono;
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pXORBits -= pitch_256c;
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pixels += (picon->pitch >> 2);
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}
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#else
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ExpandMonoBitmap (hdc, picon->AndBits, picon->pitch, pAndBits,
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align_32_bits (w >> 3), w, h, MYBMP_FLOW_UP, 0, 0xFFFFFFFF);
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Expand256CBitmap (hdc, picon->XorBits, picon->pitch, pXorBits,
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align_32_bits (w), w, h, MYBMP_FLOW_UP, pal, NULL, NULL);
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#endif
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}
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return (HICON)picon;
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error2:
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free(picon->AndBits);
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error1:
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error:
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free (picon);
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return 0;
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}
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HICON GUIAPI LoadBitmapIconEx (HDC hdc, MG_RWops* area, const char* ext)
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{
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BITMAP bmp;
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PICON ico;
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int ret;
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if ((hdc = __mg_get_common_rgba8888_dc()) == HDC_INVALID)
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return 0;
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if (!(ico = mg_slice_new (ICON)))
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return 0;
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ret = LoadBitmapEx (hdc, &bmp, area, ext);
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if (ret) {
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goto error;
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}
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ico->width = bmp.bmWidth;
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ico->height = bmp.bmHeight;
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ico->pitch = bmp.bmPitch;
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ico->pixels = bmp.bmBits;
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return (HICON)ico;
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error:
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mg_slice_delete (ICON, ico);
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return 0;
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}
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HICON GUIAPI LoadBitmapIconFromFile (HDC hdc, const char* file_name)
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{
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PICON ico;
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MG_RWops* area;
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const char* ext;
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/* format, png, jpg etc. */
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if ((ext = __mg_get_extension (file_name)) == NULL) {
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return 0;
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}
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if (!(area = MGUI_RWFromFile (file_name, "rb"))) {
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_WRN_PRINTF ("Failed to make RWOps\n");
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return 0;
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}
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ico = LoadBitmapIconEx (hdc, area, ext);
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MGUI_RWclose (area);
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return ico;
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}
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HICON GUIAPI LoadBitmapIconFromMem (HDC hdc, const void* mem, int size,
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const char* ext)
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{
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PICON ico;
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MG_RWops* area;
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if (!(area = MGUI_RWFromMem ((void*)mem, size))) {
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_WRN_PRINTF ("Failed to make RWOps\n");
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return NULL;
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}
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ico = LoadBitmapIconEx (hdc, area, ext);
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MGUI_RWclose (area);
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return ico;
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}
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BOOL GUIAPI DestroyIcon (HICON hicon)
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{
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PICON picon = (PICON)hicon;
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@@ -420,9 +614,8 @@ BOOL GUIAPI DestroyIcon (HICON hicon)
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if (!picon)
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return FALSE;
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free(picon->AndBits);
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free(picon->XorBits);
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free(picon);
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free (picon->pixels);
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mg_slice_delete (ICON, picon);
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return TRUE;
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}
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@@ -440,6 +633,37 @@ BOOL GUIAPI GetIconSize (HICON hicon, int* w, int* h)
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void GUIAPI DrawIcon (HDC hdc, int x, int y, int w, int h, HICON hicon)
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{
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#if 1
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HDC icon_dc;
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PICON picon = (PICON)hicon;
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icon_dc = __mg_get_common_rgba8888_dc();
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if (icon_dc == HDC_INVALID)
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return;
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if (!__mg_reset_common_rgba8888_dc (picon->width, picon->height,
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picon->pitch, picon->pixels))
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return;
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if (w <= 0) w = picon->width;
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if (h <= 0) h = picon->height;
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#if 0
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SetMemDCAlpha (icon_dc, MEMDC_FLAG_SRCPIXELALPHA, 0);
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if (w != picon->width || h != picon->height) {
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StretchBlt (icon_dc, 0, 0, picon->width, picon->height,
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hdc, x, y, w, h, 0);
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}
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else {
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BitBlt (icon_dc, 0, 0, picon->width, picon->height,
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hdc, x, y, 0);
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}
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#else
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BitBlt (icon_dc, 0, 0, picon->width, picon->height,
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hdc, x, y, 0);
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#endif
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#else
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PDC pdc;
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PCLIPRECT cliprect;
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PICON picon = (PICON)hicon;
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@@ -552,5 +776,6 @@ free_ret:
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free (andbits);
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free (xorbits);
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}
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#endif
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}
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